Welsh, J. (1987). Introduction to PASCAL.- 2nd ed. Prentice Hall.
Chicago Edition CitationWelsh, Jim. Introduction to PASCAL.- 2nd Ed. New Delhi: Prentice Hall, 1987.
Cita MLAWelsh, Jim. Introduction to PASCAL.- 2nd Ed. Prentice Hall, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.